2003 Silverado Ext. cab

[Blusilvrdo03]

i need plans on how to build a box for under the backseat of a 2003 silverado. im gonna put two audiobahn 1200q subs. i would prefer to have the amp on the box but if not possible it is ok. any help qwould be greatfully appreciated.

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[smacktown 10+ year member]

i would just buy the box, you can get what you want in a prefab type box or you can have one built to your needs.